JPS5417773A - Electronic digital stop watch - Google Patents

Electronic digital stop watch

Info

Publication number
JPS5417773A
JPS5417773A JP8180477A JP8180477A JPS5417773A JP S5417773 A JPS5417773 A JP S5417773A JP 8180477 A JP8180477 A JP 8180477A JP 8180477 A JP8180477 A JP 8180477A JP S5417773 A JPS5417773 A JP S5417773A
Authority
JP
Japan
Prior art keywords
stop watch
electronic digital
digital stop
sound
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8180477A
Other languages
Japanese (ja)
Inventor
Mitsuo Sekine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP8180477A priority Critical patent/JPS5417773A/en
Priority to US05/920,443 priority patent/US4240154A/en
Priority to GB7828880A priority patent/GB2002148A/en
Publication of JPS5417773A publication Critical patent/JPS5417773A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/021—Details
    • G04G13/023—Adjusting the duration or amplitude of signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

PURPOSE: To enable the stop watch to be used safely by controlling an alarm generating mechanism with a stop watch mechanism and announcing the arrival of the time through alarming such as just time sound, preannouncement sound, etc.
COPYRIGHT: (C)1979,JPO&Japio
JP8180477A 1977-07-08 1977-07-08 Electronic digital stop watch Pending JPS5417773A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8180477A JPS5417773A (en) 1977-07-08 1977-07-08 Electronic digital stop watch
US05/920,443 US4240154A (en) 1977-07-08 1978-06-29 Electronic digital stop watch
GB7828880A GB2002148A (en) 1977-07-08 1978-07-05 Electronic digital stop watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8180477A JPS5417773A (en) 1977-07-08 1977-07-08 Electronic digital stop watch

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP5099478A Division JPS5417774A (en) 1978-04-28 1978-04-28 Electronic digital stop watch

Publications (1)

Publication Number Publication Date
JPS5417773A true JPS5417773A (en) 1979-02-09

Family

ID=13756668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8180477A Pending JPS5417773A (en) 1977-07-08 1977-07-08 Electronic digital stop watch

Country Status (3)

Country Link
US (1) US4240154A (en)
JP (1) JPS5417773A (en)
GB (1) GB2002148A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448741A1 (en) * 1979-02-09 1980-09-05 Seiko Instr & Electronics ANALOGUE ELECTRONIC WATCH WITH RINGER

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995018A (en) * 1989-10-10 1991-02-19 Drew Edwards Method and apparatus for timing the delivery of a speech
GB9209405D0 (en) * 1992-04-30 1992-06-17 Allman Michael W Park alert
US6472877B1 (en) 1997-06-25 2002-10-29 Chevron U.S.A., Inc. Method and apparatus for measuring the opening time of a medium voltage air circuit breaker
US7492672B2 (en) * 2006-01-19 2009-02-17 Jarret Peter Cuisinier Alarm process and device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847861A (en) * 1971-10-19 1973-07-06
US3813533A (en) * 1972-06-02 1974-05-28 Garrett Comtronics Corp Clock calculator
US4099371A (en) * 1974-10-04 1978-07-11 Citizen Watch Co., Ltd. Electronic optical display alarm timepiece
US3980868A (en) * 1975-04-04 1976-09-14 Thompson Francis T Digital yacht racing timing system
JPS522563A (en) * 1975-06-24 1977-01-10 Seiko Instr & Electronics Ltd Electronic clock with alarm
JPS5848877B2 (en) * 1976-04-30 1983-10-31 株式会社精工舎 alarm sound generator
US4122660A (en) * 1977-06-09 1978-10-31 Canavan Richard J Snow alarm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448741A1 (en) * 1979-02-09 1980-09-05 Seiko Instr & Electronics ANALOGUE ELECTRONIC WATCH WITH RINGER

Also Published As

Publication number Publication date
US4240154A (en) 1980-12-16
GB2002148A (en) 1979-02-14

Similar Documents

Publication Publication Date Title
JPS522563A (en) Electronic clock with alarm
JPS5258972A (en) Electronic stopwatch
JPS54669A (en) Electronic alarm watch
JPS5361370A (en) Alarm electronic watch
JPS5338369A (en) Alarm electronic watch
JPS52146661A (en) Watch with alarm function
JPS53120564A (en) Electronic watch with alarm
JPS52109974A (en) Digital alarm watch
JPS52145265A (en) Digital alarm watch
JPS535673A (en) Alarm electronic watch
JPS51129265A (en) Alarm generator of electronic watch
JPS5267671A (en) Alarm watch
JPS5322465A (en) Electronic watch with alarm
JPS5215371A (en) Electronic digital watch
JPS5427467A (en) Electronic watch with alarm function
JPS5330370A (en) Electronic timepiece
JPS5253463A (en) Electronic watch with alarm
JPS5248363A (en) Electronic timepiece with alarm mechanism
JPS5267670A (en) Alarm wrist watch
JPS52126833A (en) Automotive alarm device withclock function
JPS5427472A (en) Alarm electronic watch
JPS5246868A (en) Device for generating alarm sounds
JPS5282465A (en) Alarm watch
JPS51141670A (en) Digital electron wrist watch with schedule
JPS5342776A (en) Alarm electronic watch